Patent US3390861A successfully refreshed from Google Patents.
US3390861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wedge type ball valve with separate actuators
Assignee: Lincoln Valves Ltd
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Filing: 1966-04-11
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Granted: 1968-07-02
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Expires: 1986-04-11
Abstract
No abstract record available.
Inventors
- 👤 Henry Masheder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:33
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/14; F16K5/20; F16K5/204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A ROTARY BALL VALVE COMPRISING A CASING HAVING TWO PORTS, A VALVE SEATING AROUND EACH PORT RESPECTIVELY, A RESILIENT BALL MOUNTED IN SAID CASING IN COMPRESSED ENGAGEMENT WITH THE VALVE SEATINGS, A PASSAGE THROUGH SAID BALL, A SLOT EXTENDING FROM THE OUTSIDE SURFACE OF SAID BALL THROUGH SAID BALL TO SAID PASSAGE, A SPINDLE, A FIRST ACTUATING MEANS FOR ROTATING SAID SPINDLE, AND A SECOND ACTUATING MEANS FOR MOVING SAID SPINDLE LONGITUDINALLY, SAID SPINDLE HAVING A PORTION ADAPTED TO COOPERATE WITH SAID SLOT IN SAID BALL, FOR SELECTIVELY ORIENTING THE BALL WITH RESPECT TO SAID PORTS UPON OPERATION OF SAID FIRST ACTUATING MEANS, WHEREBY TO ALLOW FLUID FLOW FROM ONE PORT TO THE OTHER THROUGH SAID PASSAGE OR TO PREVENT SUCH FLOW, AND FOR URGING THE SURFACE OF THE BALL OUTWARDS FOR INCREASING THE ENGAGEMENT PRESSURE AGAINST THE VALVE SEATINGS UPON OPERATION OF SAID SECOND ACTUATING MEANS.
Claim 2
Dependent Claim
147 words
A ROTARY BALL VALVE COMPRISING A CASING HAVING TWO PORTS, A VALVE SEATING AROUND EACH PORT RESPECTIVELY, A RESILIENT BALL MOUNTED IN SAID CASING IN COMPRESSED ENGAGEMENT WITH THE VALVE SEATINGS, A PASSAGE THROUGH SAID BALL, A SLOT EXTENDING FROM THE OUTSIDE SURFACE OF SAID BALL THROUGH SAID BALL TO SAID PASSAGE, A SPINDLE, A FIRST ACTUATING MEANS FOR ROTATING SAID SPINDLE, AND A SECOND ACTUATING MEANS FOR MOVING SAID SPINDLE LONGITUDINALLY, SAID SPINDLE HAVING A PORTION ADAPTED TO COOPERATE WITH SAID SLOT IN SAID BALL, FOR SELECTIVELY ORIENTING THE BALL WITH RESPECT TO SAID PORTS UPON OPERATION OF SAID FIRST ACTUATING MEANS, WHEREBY TO ALLOW FLUID FLOW FROM ONE PORT TO THE OTHER THROUGH SAID PASSAGE OR TO PREVENT SUCH FLOW, AND FOR URGING THE SURFACE OF THE BALL OUTWARDS FOR INCREASING THE ENGAGEMENT PRESSURE AGAINST THE VALVE SEATINGS UPON OPERATION OF SAID SECOND ACTUATING MEANS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |